TLY27

Digital controller for refrigerating units

Inputs:
up to 2 temperature probe inputs (2nd input is mutually exclusive with the Digital input)

- PTC KTY81-121 (990Ω @25°C)
- NTC 103AT-2 (10KΩ @ 25°C)
Overall accuracy: ± 0,5 % fs + 1 digit

1 Free Voltage digital input (mutually exclusive with 2nd input)

Keyboard:
4 multifunction keys Mechanical keyboard

Outputs:
2 digital outputs

OUT1: Relay SPST-NO 16A-AC1 6A-AC3 250 VAC
OUT2: Relay SPST-NO 5A-AC1, 2A-AC3 250 VAC

Power supply:
- 12 VAC/VDC± 10%
- 24VDC/VAC ± 10%
- 100… 240 Vac (50/60 Hz) ± 10%

Functions:
- Stand-by mode
- ON/OFF control
- Start-up delay
- Compressor protection timer

Defrost:
Defrost start/stop:
- Manual
- Time intervals
Defrost methods:
- By compressor stop
- By electrical heater
- By hot gas
- By cycle reverse
Evaporator Fan Control

Alarms:
Up to 4 different kind of configurable alarms:
- Probe errors
- Temperature thresholds: (absolute or relative)
- External alarm
- Door alarm

Communication and programming:
Interfaces:
Communication on TTL port to:
- Universal programming key
- Remote display
- RS 485 serial interface adapter TLCNV

Programming/configuration tools:
- Easy to use front interface for configuration
- Configuration software available for PC

Installation:
Mounting method: panel mount
Case dimensions: 78 x 35 mm, depth 64 mm

Connections:
Signals connection
- 2.5 mm² screw terminals block

Display and indicators:
1 display 4 digits, h 12 mm, red or blue colour
3 LED Bargraph + 5 indicating LEDs

Connectable to:
- Programming key for PC connection, backup and other functions
- RS 485 serial interface adapter A30
- Remote display TVRY